#include <iostream>

void displaySquare(int side = 4, char filledCharacter = '*')
{
    for(int i = 0; i < side; i++)
    {
        for(int j = 0; j < side; j++)
        {
            printf("%c", filledCharacter);
        }
        printf("\n");
        
    }
}


int main()
{
    displaySquare(6, '*');
    printf("----------------------------------\n");
    printf("Call the default arguments\n");
    displaySquare();
}